Pucks | McMaster-Carr

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System of Measurement

Diameter

Shape

Length

Material

Tolerance Rating

Hardness Rating

Hardness

Specifications Met

California AB1953

Federal Specification

NACE MR0175/ISO 15156

U.S. Congressional Act

OD

DFARS Specialty Metals

RoHS

Compliant with Exemptions

Maximum Temperature

Less than 500° F

500° F to 999° F

1,000° F to 1,999° F

2,000° F to 2,999° F

3,000° F or greater

Fabrication

REACH

Export Control Classification Number (ECCN)

Yield Strength

Less than 10,000 psi

10,000 psi to 19,999 psi

20,000 psi to 99,999 psi

100,000 psi to 199,999 psi

200,000 psi or greater

Minimum Temperature

-400° F or less

-399° F to -250° F

-249° F to -100° F

-99° F to -1° F

Greater than 0° F

Appearance

Heat Treatment

Stress Relieved

Performance

Bearing Quality

Chemical Resistant

Corrosion Resistant

Crack Resistant

Easy Thermoform

Electrically Insulating

Erosion Resistant

Fatigue Resistant

Color

Fluorescent Amber

Fluorescent Blue

Fluorescent Green

Fluorescent Red

Elongation

Mechanical Finish

Precision Ground

Heat Treatable

ID

How can we improve?

7,427 Products

Raw Materials

Aluminum

Lightweight, easy to machine, and corrosion resistant—all with material certificates for traceability

Steel

Strong, machinable, and weldable—all with material certificates for traceability

Stainless Steel

Stainless Steel

Resists corrosion and chemicals in most environments—all with material certificates for traceability

Plastic

A lightweight alternative to metal and glass

Rubber

Compresses and bounces back to shape; often used for sealing, cushioning, and shock absorbing

Foam

Pockets of air make it lighter in weight than rubber; good for packing, insulating, and sealing

Glass

Clear and highly heat and chemical resistant; often used in sights, lighting, and lab equipment

Brass

More machinable than copper and bronze—all with material certificates for traceability

Copper

Our most conductive metal for electrical applications—all with material certificates for traceability

Lead

A dense insulator often used to shield against radiation and absorb sound and vibration

Titanium

The most corrosion-resistant metal we offer—all with material certificates for traceability

Ceramic

Hard and wear resistant, it also withstands corrosion and high temperatures

Garolite

A strong, machinable alternative to metal and plastic widely used in circuit boards and gears

Bronze

Better wear resistance than copper and brass—all with material certificates for traceability

Fiberglass

A lightweight alternative to metal and wood widely used in electrical and structural applications

Cobalt

Resists impact and rapid temperature changes—all with material certificates for traceability

Hard Fiber

Chemically treated to be hard and dense, this is the easiest composite to machine in our offering

Tungsten

Our densest metal resists wear and heat to make end mills, heat shields, electrodes, and more

Carbon Fiber

The strongest composite we offer; comparable in strength to 6061 aluminum but lighter in weight

Building and Machinery Hardware

Padlocks

Shackle objects together, such as a door and its frame, to prevent theft or unauthorized entry

Measuring and Inspecting

Micrometer Check Gauges

Micrometer Check Gauges

Confirm your outside or depth micrometers are accurate

Fluid Handling

Thermocouple Transmitters

Thermocouple Transmitters

Check system temperatures from your smartphone or tablet

RTD Transmitters

RTD Transmitters

Send temperature readings from RTD probes in containers, tanks, and pipes to switches and PLCs

Facility and Grounds Maintenance

Deodorizers

Eliminate odors in everything from trash cans and bathrooms to machine coolant and wastewater

Fastening and Joining

Solder

Join pieces of metal without melting the base material

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)